What is biomagnification? Give one example.
Pollution
Original Khojo Papers practice question — not from a past board paper.
Air pollution causes respiratory disorders such as bronchitis and asthma, it irritates the eyes and throat, and prolonged exposure to pollutants such as benzene and particulate matter increases the risk of lung cancer. It can be controlled by fitting industrial chimneys with electrostatic precipitators and scrubbers, and by using catalytic converters in vehicles.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Particulate matter and oxides of sulphur and nitrogen are the main pollutants responsible.
From the same topic and chapter, at a similar level.
What is biomagnification? Give one example.
Pollution
Suggest four ways in which a city can reduce its air pollution.
Pollution
What is eutrophication and how is it caused?
Pollution
State three sources of air pollution and one effect of each.
Pollution
State three harmful effects of noise pollution.
Pollution
What is thermal pollution and what harm does it do?
Pollution